The new Hortons’ card offers roughly the same rewards as Starbucks, with a far cheaper per-day price tag. But the clear champion is McDonald’s—especially during their buck-a-coffee promotions.

Which coffee shop has the best value loyalty card? We looked at loyalty schemes from Costa, Starbucks, Caffè Nero, McDonald’s, Greggs, Grind, and Pret A Manger and have ranked them here in ...